818E Series

Pyroelectric Laser Energy Sensors, Newport Compatible

Measurement range in joules
Broad UV-VIS-IR spectral response
High repetition rates
NIST-traceable calibration for Newport Brand Meters

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Overview
Specifications
Ordering
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If you need to measure the energy from a pulsed laser, Newport's 818E Series Pyroelectric Laser Energy Sensors provide you with a selection that will meet even the most demanding laser energy measurement needs. Short pulse, long pulse and fast acting pyroelectric detector versions are available with square apertures of 3.7, 12, 25 and 50 mm. Choose from among air cooled for low power or heat sink versions for higher powers.

All 12mm aperture pyroelectric sensor heads have a 8-32 tapped hole and all other detectors have a 1/4-20 tapped hole for post or plate mounting. For very high-energy applications, optional diffuser/attenuators are available. See the Specifications Tables for complete information on the energy levels attainable both with and without the attenuators. The 818E Series laser pulse detectors are calibrated without the attenuator only.

All the detectors come with a DB15 connector and internal EEPROM for storing factory calibration data, making them compatible with Newport's model 1936-C and 2936-C , 1918-R , 1928-C and 842-PE Optical Power and Energy Meters. These Pyroelectric sensors are not compatible with Ophir energy meters. When using with Newport's legacy 1835-C or 2835-C Power Meters, use the adaptor cable 818P-DIN (ordered separately). Fast acting versions have a DB15 connector and require the use of the 818P-BNC adapter cable when connecting to an oscilloscope or the above referenced power meters. The 818P-BNC adapter cable (ordered separately) can also be used to connect calibrated versions of the 818P series detectors to an oscilloscope.

For Gaussian beams multiply energy density by a factor of 2 when comparing to online damage threshold specifications. For beams with hot spots multiply energy density by a factor of 3 when comparing to online damage threshold specifications.

Specifications

Short & Long Pulse Series (3.7 and 12 mm)

Model	818E-0.3-04-S (obsolete)	818E-03-12-L	818E-05-12-L
Spectral Range (µm)	0.190 to 20	0.190 to 20
Pulse Energy, Maximum - w/o Attenuator @ 1064nm (J)	0.016	0.85
Pulse Energy, Maximum - w/ Attenuator @ 1064nm ⁽¹⁾ (J)	Not Applicable	3.9
Noise Equivalent Energy⁽²⁾ (µJ)	1	0.7
Responsivity, Approximate (V/J)	150	60
Maximum Repetition Rate (Hz)	1200	300
Max. Pulse Width (µs)	100	400
Rise Time (µs)	200	550
Accuracy (nm)	±3 % @ 1064
Repeatability (%)	<0.5
Max Energy Density w/o Attenuator⁽³⁾ (J/cm²)	0.15	0.600
Max energy density w/ Attenuator⁽¹⁾⁽³⁾ (J/cm²)	Not Applicable	8
Maximum Average Power (W)	0.3	3 (7.5 W w/ Attenuator)	5 (12.5 W w/ Attenuator)
Active Area (cm²)	0.11	1.4
Cooling Method	Sensor Body		Heat Sink
Dimensions (L x W x D) [in. (mm)]	0.79 x 0.69 x 1.18 (20 x 17.5 x 30)	1.4 x 1.4 x 0.55 (36 x 36 x 14)	1.4 x 1.4 x 1.3 (36 x 36 x 33)
Weight [lb (kg)]	0.044 (0.020)	0.19 (0.087)	0.3 (0.117)
Operating Temperature	15 to 28ºC, RH< 80%

(1) With 818E-DF-XX Diffuser/Attenuator
(2) Nominal value, actual value depends on electrical noise in the measurement system
(3) @ 1064 nm, 7 ns, 10 Hz

Short & Long Pulse Series (25 and 50 mm)

Model	818E-05-25-S	818E-10-25-S	818E-05-25-L	818E-10-25-L	818E-10-50-S	818E-20-50-S	818E-10-50-L	818E-20-50-L
Spectral Range (µm)	0.190 to 20				0.190 to 20
Pulse Energy, Maximum - w/o Attenuator @ 1064nm (J)	3.75				15
Pulse Energy, Maximum - w/ Attenuator @ 1064nm ⁽¹⁾ (J)	23				85
Noise Equivalent Energy⁽²⁾ (µJ)	4				15
Responsivity, Approximate (V/J)	10				3
Maximum Repetition Rate (Hz)	800		300		500		200
Max. Pulse Width (µs)	150		400		225		675
Rise Time (µs)	200		550		300		900
Accuracy (nm)	±3 % @ 1064
Repeatability (%)	<0.5
Max Energy Density w/o Attenuator⁽³⁾ (J/cm²)	0.6
Max energy density w/ Attenuator⁽¹⁾⁽³⁾ (J/cm²)	8
Maximum Average Power (W)	5 (15 W w/ Attenuator)	10 (30 W w/ Attenuator)	5 (15 W w/ Attenuator)	10 (30 W w/ Attenuator)	10 (25 W w/ Attenuator)	20 (45 W w/ Attenuator)	10 (25 W w/Attenuator)	20 (45 W w/ Attenuator)
Active Area (cm²)	6.25				25
Cooling Method	Sensor Body	Heat Sink	Sensor Body	Heat Sink	Sensor Body	Heat Sink	Sensor Body	Heat Sink
Dimensions (L x W x D) [in. (mm)]	1.97 x 1.97x 0.55 (50 x 50 x 14)	1.97 x 1.97 x 2.07 (50 x 50 x 52.5)	1.97 x 1.97 x 0.55 (50 x 50 x 14)	1.97 x 1.97 x 2.07 (50 x 50 x 52.5)	2.95 x 2.95 x 0.59 (75 x 75 x 15)	2.95 x2.95 x 1.73 (75 x 75 x 44)	2.95 x 2.95 x 0.59 (75 x 75 x 15)	2.95 x 2.95 x 1.73 (75 x 75 x 44)
Weight [lb (kg)]	0.26 (0.12)	0.411 (0.187)	0.26 (0.12)	0.411 (0.187)	0.460 (0.209)	0.744 (0.338)	0.460 (0.209)	0.744 (0.338)
Operating Temperature	15 to 28ºC, RH< 80%

(1) With 818-DF-XX Diffuser/Attenuator
(2) Nominal value, actual value depends on electrical noise in the measurement system
(3) @ 1064 nm, 7 ns, 10 Hz

Fast Acting Series⁽¹⁾

Model	818E-0.3-04-F (obsolete)	818E-03-12-F	818E-05-12-F	818E-05-25-F	818E-10-25-F	818E-10-50-F	818E-20-50-F
Spectral Range (µm)	0.190 to 2.5
Pulse Energy, Maximum - w/o Attenuator @ 1064nm (J)	0.043	0.7		3.0		13
Pulse Energy, Maximum - w/ Attenuator @ 1064nm⁽⁴⁾ (J)	Not Applicable	1.6		10		44
Noise Equivalent Energy⁽²⁾ (µJ)	1	0.8		2		10
Responsivity, Approximate (V/J)	200	100		20		4
Maximum Repetition Rate (Hz)	6000					4000
Max. Pulse Width (µs)	10
Rise Time (µs)	20
Accuracy (nm)	±3 % @ 1064
Repeatability (%)	<0.5
Max Energy Density w/o Attenuator⁽³⁾ (J/cm²)	0.4	0.5
Max energy density w/ Attenuator⁽³⁾⁽⁴⁾ (J/cm²)	Not Applicable	2
Maximum Average Power (W)	0.3	3 (7.5 W w/ Attenuator)	5 (12.5W w/ Attenuator)	5 (15 W w/ Attenuator)	10 (30 W w/ Attenuator)	10 (25 W w/ Attenuator)	20 (45 W w/ Attenuator)
Active Area (cm²)	0.11	1.4		6.25		25
Cooling Method	Air		Heat Sink	Sensor Body	Heat Sink	Sensor Body	Heat Sink
Dimensions (L x W x D) [in. (mm)]	0.79 x 0.69 x 1.18 (20 x 17.5 x 30)	1.4 x 1.4 x 0.55 (36 x 36 x 14)	1.4 x 1.4 x 1.3 (36x 36 x 33)	1.96 x 1.96 x 0.55 (50 x 50 x 14)	1.97 x 1.97 x 2.1 (50 x 50 x 52.5)	2.95 x 2.95 x 0.59 (75 x 75 x 15)	2.95 x 2.95 x 1.73 (75 x 75 x 44)
Weight [lb (kg)]	0.044 (0.020)	0.19 (0.087)	0.26 (0.12)	0.26 (0.12)	0.411 (0.187)	0.460 (0.209)	0.744 (0.338)
Operating Temperature

(1) Fast Acting Series detectors work with 1936-C/2936-C, 1918-C and 842-PE power meters or an oscilloscope
(2) Nominal value, actual value depends on electrical noise in the measurement system
(3) @ 1064 nm, 7 ns, 10 Hz
(4) With 818-DF-XX Diffuser/Attenuator

Diffuser/Attenuator

Model	818E-DF-12	818E-DF-25	818E-DF-50
Spectral Range (µm)	0.190 to 2.5	0.190 to 2.5	0.190 to 2.5
Transmittance	30 % @ 266 nm, 35 % @ 1.064 um
Reflectance	50 % @ 266 nm, 45 % @ 1.064 um
Pulse Energy Density, Maximum, Single shot, 7 nsec @ 1064 nm (J/cm²)	Single shot, 7 nsec @ 1064 nm, 16
Dimensions (L x W x D) [in. (mm)]	1.2 x 1.6 x 0.5 (30.5 x 41 x 12.5)	1.7 x 2.2 x 0.5 (44 x 55 x 12.5)	2.7 x 3.1 x 0.5 (69 x 80 x 12.5)
Aperture Size (L x W) (mm)	9 x 9	22 x 22	47 x 47
Compatible 818E Detector Models	818E-xx-12-X	818E-xx-25-X	818E-xx-50-X

Model	Description	avail raw	Availability	price raw	Price	Qty. MULTI ADD
818E-0.3-04-S	Pyroelectric Energy Detector, 3.7 mm Aperture, 0.3 W	0	In Stock	839	$839.00	ADD
818E-03-12-F	Pyroelectric Energy Detector, Fast Acting, 12 mm Aperture, 3 W, Air Cooled	3	3 Weeks	972	$972.63	ADD
818E-03-12-L	Pyroelectric Energy Detector, Long Pulse, 12 mm Aperture, 3 W, Air Cooled	3	3 Weeks	972	$972.63	ADD
818E-05-12-F	Pyroelectric Energy Detector, Fast Acting, 12 mm Aperture, 5 W, Heat Sink	4	4 Weeks	1019	$1,019.09	ADD
818E-05-12-L	Pyroelectric Energy Detector, Long Pulse, 12 mm Aperture, 5 W, Heat Sink	3	3 Weeks	1019	$1,019.09	ADD
818E-05-25-F	Pyroelectric Energy Detector, Fast Acting, 25 mm Aperture, 5 W, Air Cooled	3	3 Weeks	1253	$1,253.41	ADD
818E-05-25-L	Pyroelectric Energy Detector, Long Pulse, 25 mm Aperture, 5 W, Air Cooled	4	4 Weeks	1253	$1,253.41	ADD
818E-05-25-S	Pyroelectric Energy Detector, Short Pulse, 25 mm Aperture, 5 W, Air Cooled	0	In Stock	1253	$1,253.41	ADD
818E-10-25-F	Pyroelectric Energy Detector, Fast Acting, 25 mm Aperture, 10 W, Heat Sink	0	In Stock	1345	$1,345.32	ADD
818E-10-25-L	Pyroelectric Energy Detector, Long Pulse, 25 mm Aperture, 10 W, Heat Sink	4	4 Weeks	1345	$1,345.32	ADD
818E-10-25-S	Pyroelectric Energy Detector, Short Pulse, 25 mm Aperture, 10 W, Heat Sink	4	4 Weeks	1345	$1,345.32	ADD
818E-10-50-F	Pyroelectric Energy Detector, Fast Acting, 50 mm Aperture, 10 W, Air Cooled	4	4 Weeks	1482	$1,482.68	ADD
818E-10-50-L	Pyroelectric Energy Detector, Long Pulse, 50 mm Aperture, 10 W, Air Cooled	4	4 Weeks	1482	$1,482.68	ADD
818E-10-50-S	Pyroelectric Detector, 818E Energy, Short Pulse, 50 mm Aperture, 10W, Air Cooled	0	In Stock	1482	$1,482.68	ADD
818E-20-50-F	Pyroelectric Energy Detector, Fast Acting, 50 mm Aperture, 20 W, Heat Sink	4	4 Weeks	1596	$1,596.81	ADD
818E-20-50-L	Pyroelectric Energy Detector, Long Pulse, 50 mm Aperture, 20 W, Heat Sink	4	4 Weeks	1596	$1,596.81	ADD
818E-20-50-S	Pyroelectric Energy Detector, Short Pulse, 50 mm Aperture, 20 W, Heatsink	3	3 Weeks	1596	$1,596.81	ADD
818E-DF-12	Diffuser / Attenuator, 818E Pyroelectric heads, 12 mm, 190 nm to 2.5 µm	4	4 Weeks	190	$190.89	ADD
818E-DF-25	Diffuser / Attenuator, 818E Pyroelectric heads, 25 mm, 190 nm to 2.5 µm	4	4 Weeks	332	$332.29	ADD
818E-DF-50	Diffuser / Attenuator, 818E Pyroelectric heads, 50 mm, 190 nm to 2.5 µm	0	In Stock	362	$362.59	ADD
818P-BNC	DB15 to BNC Adapter, For DVM or Scope Use	0	In Stock	109	$109.00	ADD
818P-DIN	DB15 to DIN Adaptor, For 1835-C or 2835-C Power Meter Use	0	In Stock	149	$149.48	ADD

Newport Resource e-Catalogs *

*e-Catalog pages include the most current information available at the time of printing.

Technical References

Average and Peak Power Calculation Tech Note 1 (32 KB)
Calculating Power Density Tech Note 2 (35 KB)

User Manuals

818E Manual Rev J (364 KB)

Supporting Products

	Description
	Optical Power and Energy Meters, 1936-C/R and 2936-C/R
	Benchtop Optical Meter, 1928-C
	Dual Channel Virtual Optical Power/Energy Meter, 842-E-USB
	Optical Power Meter, High-Performance Hand-Held, 1918-R